422937505 has 16 divisors (see below), whose sum is σ = 511259904. Its totient is φ = 335871360.

The previous prime is 422937503. The next prime is 422937521. The reversal of 422937505 is 505739224.

It is not a de Polignac number, because 422937505 - 2¹ = 422937503 is a prime.

It is a super-2 number, since 2×422937505² = 357752266271250050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422937503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618894 + ... + 619576.

It is an arithmetic number, because the mean of its divisors is an integer number (31953744).

Almost surely, 2^422937505 is an apocalyptic number.

It is an amenable number.

422937505 is a deficient number, since it is larger than the sum of its proper divisors (88322399).

422937505 is a wasteful number, since it uses less digits than its factorization.

422937505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 422937505 is about 20565.4444396420. Note that the first 4 decimals coincide. The cubic root of 422937505 is about 750.6291047480.

The spelling of 422937505 in words is "four hundred twenty-two million, nine hundred thirty-seven thousand, five hundred five".